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Volume 38 Issue 9
Sep.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  (9): 1167-1171.
Wang Lei, Xie Shuguo. Analysis methodology of interference from radar to spectrum spread communication system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (9): 1167-1171. (in Chinese)
Citation: Wang Lei, Xie Shuguo. Analysis methodology of interference from radar to spectrum spread communication system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (9): 1167-1171. (in Chinese)
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Analysis methodology of interference from radar to spectrum spread communication system

  • School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 20 Sep 2011
  • Publish Date: 30 Sep 2012
    Abstract
  • Radar is one of severe interferences for spread spectrum communication system. A time-symbol level interference analysis methodology from radar to spread spectrum communication was proposed. Firstly, the electromagnetic interference mechanism from radars to spectrum spread communication system was analyzed based on time-symbol level, and the error bit rate formula of spectrum spread communication system in the presence of pulse radars interference was concluded. The performance of interference from pulse radar to spectrum spread communication system was simulated by the radar electromagnetic interference model, which proved the theory analysis result. Finally the frequency-distance relationship of five general radar and spread spectrum communication system in microwave band was calculated. The results show that this interference analysis method well exhibits the interference essence of radar and improve the frequency utilization efficiency.

     

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